If you suspect there's lead in your pipes, allow the tap to run for 30 seconds to clear them before using water.

如果您怀疑您的管道含铅，在每次使用水之前先让自来水流30秒。

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In one study, tap water accounted for up to 20 percent of human exposure to lead.

一项研究表明，自来水占人体所接触到的铅的20%。

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While most cities meet the standards for tap water, some tap water in the 19 U. s. cities tested was found to contain arsenic, lead, and pesticides.

虽然大部分城市遵守了自来水标准，但在美国的19个城市的部分自来水检测中仍然被发现含有砷、铅和杀虫剂。

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To find a job lead, tap family and friends you've connected with over the holidays.

WSJ: Job Hunting in the Off Season

Understanding their biology may lead scientists to tap new energy sources and make novel drugs.

BBC: NEWS | Science/Nature | Antarctica's resources 'at risk'

And America and Britain will succeed and lead if we tap into the talents of our people, unleash the genius of our scientists and set free the drive of our entrepreneurs.

BBC: In full: Brown's speech to Congress